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swh/model/identifiers.py
| Show First 20 Lines • Show All 420 Lines • ▼ Show 20 Lines | def revision_identifier(revision): | ||||
| The fields used for the revision identifier computation are: | The fields used for the revision identifier computation are: | ||||
| - directory | - directory | ||||
| - parents | - parents | ||||
| - author | - author | ||||
| - author_date | - author_date | ||||
| - committer | - committer | ||||
| - committer_date | - committer_date | ||||
| - metadata -> extra_headers | - extra_headers or metadata -> extra_headers | ||||
| - message | - message | ||||
| A revision's identifier is the 'git'-checksum of a commit manifest | A revision's identifier is the 'git'-checksum of a commit manifest | ||||
| constructed as follows (newlines are a single ASCII newline character):: | constructed as follows (newlines are a single ASCII newline character):: | ||||
| tree <directory identifier> | tree <directory identifier> | ||||
| [for each parent in parents] | [for each parent in parents] | ||||
| parent <parent identifier> | parent <parent identifier> | ||||
| ▲ Show 20 Lines • Show All 43 Lines • ▼ Show 20 Lines | components.extend( | ||||
| format_author_line("author", revision["author"], revision["date"]), | format_author_line("author", revision["author"], revision["date"]), | ||||
| format_author_line( | format_author_line( | ||||
| "committer", revision["committer"], revision["committer_date"] | "committer", revision["committer"], revision["committer_date"] | ||||
| ), | ), | ||||
| ] | ] | ||||
| ) | ) | ||||
| # Handle extra headers | # Handle extra headers | ||||
| metadata = revision.get("metadata") | metadata = revision.get("metadata") or {} | ||||
| if not metadata: | extra_headers = revision.get("extra_headers", ()) | ||||
| metadata = {} | if not extra_headers and "extra_headers" in metadata: | ||||
| extra_headers = metadata["extra_headers"] | |||||
| for key, value in metadata.get("extra_headers", []): | |||||
| # Integer values: decimal representation | |||||
| if isinstance(value, int): | |||||
| value = str(value).encode("utf-8") | |||||
| # Unicode string values: utf-8 encoding | |||||
| if isinstance(value, str): | |||||
| value = value.encode("utf-8") | |||||
| # encode the key to utf-8 | for key, value in extra_headers: | ||||
| components.extend([key.encode("utf-8"), b" ", escape_newlines(value), b"\n"]) | components.extend([key, b" ", escape_newlines(value), b"\n"]) | ||||
| if revision["message"] is not None: | if revision["message"] is not None: | ||||
| components.extend([b"\n", revision["message"]]) | components.extend([b"\n", revision["message"]]) | ||||
| commit_raw = b"".join(components) | commit_raw = b"".join(components) | ||||
| return identifier_to_str(hash_git_data(commit_raw, "commit")) | return identifier_to_str(hash_git_data(commit_raw, "commit")) | ||||
| ▲ Show 20 Lines • Show All 358 Lines • Show Last 20 Lines | |||||